From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- sound/pci/ctxfi/ctamixer.h | 99 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 sound/pci/ctxfi/ctamixer.h (limited to 'sound/pci/ctxfi/ctamixer.h') diff --git a/sound/pci/ctxfi/ctamixer.h b/sound/pci/ctxfi/ctamixer.h new file mode 100644 index 000000000..72f42f274 --- /dev/null +++ b/sound/pci/ctxfi/ctamixer.h @@ -0,0 +1,99 @@ +/** + * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. + * + * This source file is released under GPL v2 license (no other versions). + * See the COPYING file included in the main directory of this source + * distribution for the license terms and conditions. + * + * @File ctamixer.h + * + * @Brief + * This file contains the definition of the Audio Mixer + * resource management object. + * + * @Author Liu Chun + * @Date May 21 2008 + * + */ + +#ifndef CTAMIXER_H +#define CTAMIXER_H + +#include "ctresource.h" +#include +#include + +/* Define the descriptor of a summation node resource */ +struct sum { + struct rsc rsc; /* Basic resource info */ + unsigned char idx[8]; +}; + +/* Define sum resource request description info */ +struct sum_desc { + unsigned int msr; +}; + +struct sum_mgr { + struct rsc_mgr mgr; /* Basic resource manager info */ + struct snd_card *card; /* pointer to this card */ + spinlock_t mgr_lock; + + /* request one sum resource */ + int (*get_sum)(struct sum_mgr *mgr, + const struct sum_desc *desc, struct sum **rsum); + /* return one sum resource */ + int (*put_sum)(struct sum_mgr *mgr, struct sum *sum); +}; + +/* Constructor and destructor of daio resource manager */ +int sum_mgr_create(struct hw *hw, struct sum_mgr **rsum_mgr); +int sum_mgr_destroy(struct sum_mgr *sum_mgr); + +/* Define the descriptor of a amixer resource */ +struct amixer_rsc_ops; + +struct amixer { + struct rsc rsc; /* Basic resource info */ + unsigned char idx[8]; + struct rsc *input; /* pointer to a resource acting as source */ + struct sum *sum; /* Put amixer output to this summation node */ + struct amixer_rsc_ops *ops; /* AMixer specific operations */ +}; + +struct amixer_rsc_ops { + int (*set_input)(struct amixer *amixer, struct rsc *rsc); + int (*set_scale)(struct amixer *amixer, unsigned int scale); + int (*set_invalid_squash)(struct amixer *amixer, unsigned int iv); + int (*set_sum)(struct amixer *amixer, struct sum *sum); + int (*commit_write)(struct amixer *amixer); + /* Only for interleaved recording */ + int (*commit_raw_write)(struct amixer *amixer); + int (*setup)(struct amixer *amixer, struct rsc *input, + unsigned int scale, struct sum *sum); + int (*get_scale)(struct amixer *amixer); +}; + +/* Define amixer resource request description info */ +struct amixer_desc { + unsigned int msr; +}; + +struct amixer_mgr { + struct rsc_mgr mgr; /* Basic resource manager info */ + struct snd_card *card; /* pointer to this card */ + spinlock_t mgr_lock; + + /* request one amixer resource */ + int (*get_amixer)(struct amixer_mgr *mgr, + const struct amixer_desc *desc, + struct amixer **ramixer); + /* return one amixer resource */ + int (*put_amixer)(struct amixer_mgr *mgr, struct amixer *amixer); +}; + +/* Constructor and destructor of amixer resource manager */ +int amixer_mgr_create(struct hw *hw, struct amixer_mgr **ramixer_mgr); +int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr); + +#endif /* CTAMIXER_H */ -- cgit v1.2.3-54-g00ecf